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    <title>Document</title>
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    <style>
    #p7{
        color: pink;
    }
    p {
      color: blue;
    }
    .highlight {
      color: green;
    }
    </style>
</head>
<body>
    <p class="highlight" id="p7" style="color:red" >
        这段文字什么颜色?
    </p>
</body>
</html>